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Thiết bị chuyển mạch Switch Dlink DGS-2000-20
| Model | DGS-2000-20 |
| Interface | |
| Size | • 19-inch standard rack-mount width • 1U height |
| Interfaces | • 16 x 10/100/1000BASE-T ports • 4 x 100/1000 Mbps GbE/SFP combo ports |
| Port Standards & Functions | • Ports 1 to 16 compliant with IEEE 802.3ab |
| Console Port | • RJ-45 Connector |
| Other Port Standards & Functions |
• IEEE 802.3i 10BASE-T Ethernet (twisted-pair copper) • IEEE 802.3u 100BASE-TX Fast Ethernet (twisted-pair copper) • IEEE 802.3ab 1000BASE-T Gigabit Ethernet (twisted-pair copper) • Auto-negotiation • IEEE 802.3x Flow Control • IEEE 802.3z 1000BASE-X Gigabit Fiber |
| Network Cables | • UTP Cat. 5, Cat. 5e (100 m max.) |
| Full/Half-Duplex | • Full/half-duplex for 10/100 Mbps speeds • Full-duplex for 1000 Mbps speed |
| Media Interface Exchange | • Auto MDI/MDIX adjustment for all twisted-pair ports |
| Performance | |
| Switching Capacity | • 40 Gbps |
| Forwarding Method | • Store-and-forward |
| MAC Address Table Size | • 8K entries |
| MAC Address Update | • Up to 256 static MAC entries |
| 64-byte Max. Forwarding Rate | • 77.4 Mpps |
| CPU Memory | • 256 MB DDR3 |
| Packet Buffer | • 4.1 MBits |
| Flash Memory | • 32 MB |
| Physical/Environmental | |
| MTBF | • 100,087,100 hours |
| Acoustic | • 0 dB(A) |
| Heat Dissipation | • 44.62 TU/hr |
| Power Input | • AC Input: 100 to 240 V AC, 50/60 Hz internal universal power supply |
| Maximum Power Consumption | • 13.08 W |
| Standby Power Consumption | • 5.47 W/100 V • 5.56 W/240 V |
| Dimensions (W x D x H) | • 280 x 180 x 44 mm (11.02 x 4.96 x 1.73 in) |
| Ventilation | • Fanless |
| Weight | • 1.75 kg (3.86 lbs) |
| Operating Temperature | • -5 to 50 °C (23 to 122 °F) |
| Storage Temperature | • -40 to 70 °C (-40 to 158 °F) |
| Operating Humidity | • 10% to 90% non-condensing |
| Storage Humidity | • 5% to 90% non-condensing |
| EMI | • FCC class A, CE class A, IC, VCCI, BSMI |
| Safety Certifications | • cUL, UL, CB, BSMI |
DGS-2000-20 : 16-Port 10/100/1000BASE-T+ 4-Port 100/1000 Mbps GbE/SFP Combo Ports Managed Access Switch
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